This simple form Anemometer is used to demonstrate wind speed. The unit is made from corrosion resistant materials to withstand weather conditions. One cup is colored red so you can easily count the number of rotations. Instructions included.
Our products are not toys. Use in a laboratory or educational setting only. Not for children 13 and under.
California Proposition 65 Warning: This product may contain chemicals known to the State of California to cause cancer and birth defects or other reproductive harm.